This week, in her tireless trek around New York, design editor Wendy Goodman visited the gifted paint creator Donald Kaufman, the chicly eclectic Michele Varian, the creative and witty Rafael de Cardenas (and his work for clients Jessica Stam and Parker Posey), the serene and comfortable Marcello Manor in the Bronx, and the impeccable designs of Vladimir Kagan at the Ralph Pucci showroom.